It is part of the formidableness of a genuine mass movement that the self-sacrifice it promotes includes also a sacrifice read more

It is part of the formidableness of a genuine mass movement that the self-sacrifice it promotes includes also a sacrifice of some of the moral sense which cramps and restrains our nature.

Nothing in the world is more dangerous than a sincere ignorance and conscientious stupidity.

Nothing in the world is more dangerous than a sincere ignorance and conscientious stupidity.

Yield to temptation; it may not pass your way again.

Yield to temptation; it may not pass your way again.

Men who love wisdom should acquaint themselves with a great many particulars.

Men who love wisdom should acquaint themselves with a great many particulars.

Psychoanalysis has changed American psychology from a diagnostic to a therapeutic science, not because so many patients are cured by read more

Psychoanalysis has changed American psychology from a diagnostic to a therapeutic science, not because so many patients are cured by the psychoanalytic technique, but because of the new understanding of psychiatric patients it has given us, and the new and different concept of illness and health.

To illustrate the difference between the innovator and the dull crowd of routinists who cannot even imagine that any improvement read more

To illustrate the difference between the innovator and the dull crowd of routinists who cannot even imagine that any improvement is possible, we need only refer to a passage in Engel's most famous book. Here, in 1878, Engels apodictically announced that military weapons are "now so perfected that no further progress of any revolutionizing influence is any longer possible." Henceforth "all further [technological] progress is by and large indifferent for land warfare. The age of evolution is in this regard essentially closed." This complacent conclusion shows in what the achievement of the innovator consists: he accomplishes what other people believe to be unthinkable and unfeasible.

There is an accumulative cruelty in a number of men, though none in particular are ill-natured.

There is an accumulative cruelty in a number of men, though none in particular are ill-natured.

We have no assurance that half-truth will make us free.

We have no assurance that half-truth will make us free.

Learning is not compulsory. Neither is survival.

Learning is not compulsory. Neither is survival.